The best magnets for walls with magnetic paint are neodymium and ferrite magnets. On the other hand, the walls must have 2 layers.
Magnetize-it! Magnetic Paint & Primer (Water Based) - Standard S Yield 16oz - 4 Pack, MISTD-2223 Grey
Vehicle Magnets printed full-color
How to Create a Magnetic Wall: Ideas and Solutions
HIGH QUALITY : Super Magnetic Paint is a high performing magnetic paint that adds magnetic functionality to any surface. The paint is not magnetic itself, it’s magnetically receptive and completely safe to apply around people. The paint can be applied on any smooth surface. Use for planning, sticking pictures, scheduling, brainstorming, posting, project management, sharing, playing at home, teamwork and lots more.
SmarterSurfaces Super Magnetic Paint - Magnetic Primer 65ft²/84.5oz - Make A Strong Magnetic Interactive Wall - Dark Grey - 2 Rare Earth Magnets
Sticky Business - How to Glue Neodymium Magnets
Magnets for Magnetic Paint Selection Pack
The secret recipe for magnetic paint success! - Better After
Super Magnetic Paint for Walls
Finding Studs with Magnets
The easy way to magnetize and present objects, photos and artwork on walls and display boards. Transform your space by turning an ordinary wall or other surface into one that holds magnets! Create any size magnetic area that you wish.
Magnetic Paint & Primer - Contractor Pro 1 Gallon (128 oz)
Magnetic Tikkurila
Business Card Magnets - Print Magnetic Business Cards as Reminders
Don't Use Chalkboard and Magnetic Paint Until You Read This! - The Decorologist